3 best Arduino projects

Here I am with 3 best arduino projects which i found on internet, i thought you people must have to notice them.

Why i have selected those projects to share with you because i found them very much simple and very amazing at same time maker of all this project are did a great job very much thanks to them to share such wonderful piece of work

Basically a image first get converted to stippled version (which represents the image as a large number of dots)

then by using traveling salesman algorithm find the shortest (or near-shortest) single path that connects them. This type of continuous line art is sometimes called “TSP art” (for Traveling Salesman Problem).then a software convert this data into a Music form (wave file) then this music file played in mobile and servos get connect with the speakers as musics starts servo start action accordingly and draw a full image.